Seamless Tubing Tolerances
|
TOLERANCES |
|
SEAMLESS
TUBING |
|
OD & ID/CDSM
1026 As Drawn |
|
OD Inches |
Wall Inches |
OD Inches |
ID Inches |
|
+ |
- |
+ |
- |
|
Up
|
to |
0.499 |
all |
0.004 |
0.000 |
—
|
—
|
|
0.500 |
- |
1.699 |
all |
0.005 |
0.000 |
0.000 |
0.005 |
|
1.700 |
- |
2.099 |
all |
0.006 |
0.000 |
0.000 |
0.006 |
|
2.100 |
- |
2.499 |
all |
0.007 |
0.000 |
0.000 |
0.007 |
|
2.500 |
- |
2.899 |
all |
0.008 |
0.000 |
0.000 |
0.008 |
|
2.900 |
- |
3.299 |
all |
0.009 |
0.000 |
0.000 |
0.009 |
|
3.300 |
- |
3.699 |
all |
0.010 |
0.000 |
0.000 |
0.010 |
|
3.700 |
- |
4.099 |
all |
0.011 |
0.000 |
0.000 |
0.011 |
|
4.100 |
- |
4.499 |
all |
0.012 |
0.000 |
0.000 |
0.012 |
|
4.500 |
- |
4.899 |
all |
0.013 |
0.000 |
0.000 |
0.013 |
|
4.900 |
- |
5.299 |
all |
0.014 |
0.000 |
0.000 |
0.014 |
|
5.300 |
- |
5.549 |
all |
0.015 |
0.000 |
0.000 |
0.015 |
|
5.550 |
- |
5.999 |
under
6
6 to
7-1/2
over
7-1/2 |
0.010
0.009
0.018 |
0.010
0.009
0.000 |
0.010
0.009
0.009 |
0.010
0.009
0.009 |
|
6.000 |
- |
6.499 |
under
6
6 to
7-1/2
over
7-1/2 |
0.013
0.010
0.020 |
0.013
0.010
0.000 |
0.013
0.010
0.010 |
0.013
0.010
0.010 |
|
6.500 |
- |
6.999 |
under
6
6 to
7-1/2
over
7-1/2 |
0.015
0.012
0.023 |
0.015
0.012
0.000 |
0.015
0.012
0.012 |
0.015
0.012
0.012 |
|
7.000 |
- |
7.499 |
under
6
6 to
7-1/2
over
7-1/2 |
0.018
0.013
0.026 |
0.018
0.013
0.000 |
0.018
0.013
0.013 |
0.018
0.013
0.013 |
|
7.500 |
- |
7.999 |
under
6
6 to
7-1/2
over
7-1/2 |
0.020
0.015
0.000 |
0.020
0.015
0.000 |
0.020
0.015
0.015 |
0.020
0.015
0.015 |
|
8.000 |
- |
8.499 |
under
6
6 to
7-1/2
over
7-1/2 |
0.023
0.016
0.000 |
0.023
0.016
0.000 |
0.023
0.016
0.015 |
0.023
0.016
0.016 |
|
8.500 |
- |
8.999 |
under
6
6 to
7-1/2
over
7-1/2 |
0.025
0.017
0.000 |
0.025
0.017
0.000 |
0.025
0.017
0.015 |
0.025
0.017
0.019 |
|
9.000 |
- |
9.499 |
under
6
6 to
7-1/2
over
7-1/2 |
0.028
0.019
0.000 |
0.028
0.019
0.000 |
0.028
0.019
0.015 |
0.028
0.019
0.022 |
|
9.500 |
- |
9.999 |
under
6
6 to
7-1/2
over
7-1/2 |
0.030
0.020
0.000 |
0.030
0.020
0.000 |
0.030
0.020
0.015 |
0.030
0.020
0.025 |
|
10.000
|
- |
10.999
|
under
6
6 to
7-1/2
over
7-1/2 |
0.034
0.022
0.000 |
0.034
0.022
0.000 |
0.034
0.022
0.015 |
0.034
0.022
0.029 |
|
11.000
|
- |
12.000
|
under
6
6 to
7-1/2
over
7-1/2 |
0.035
0.025
0.000 |
0.035
0.025
0.000 |
0.035
0.025
0.015 |
0.035
0.025
0.035 |
|
Many tubes with ID less
than 50% of OD or with wall more than 25% of OD, or with 1-1/4 in., or
weighing more than 90lb./ft. are difficult to draw over a mandrel.
Therefore, the ID can vary over or under by an amount equal to 10% of the
wall thickness.
For tubes with ID less
than ½ in. (or less than 5/8 in. when the wall thickness is more than 20%
of the OD), which are not commonly drawn over a mandrel the above footnote
not applicable.
Tubing having a wall less than 3% of the OD cannot be
straightened properly without a certain amount of distortion.
Consequently such tubes, while having an average OD and ID within the
tolerances shown in this table, require an ovality tolerance ½% over and
under nominal outside diameter, in addition to the tolerances indicated in
this table.
|
|
TOLERANCES
|
|
SEAMLESS TUBING
|
|
Wall / HFSM 1026
|
|
|
|
|
|
|
|
Wall Thickness as % of OD |
2.999”
& less’ |
3.000 to
5.999” |
6.000 to
10.750” |
10.751 to
16.000”2 |
|
Under
15 |
12.5 |
10.0 |
10.0 |
12.5 |
|
15
and over |
10.0 |
7.5 |
10.0 |
12.5 |
|
|
|
|
|
|
|
1
Wall thickness tolerances may not be applicable to wall
0.199 in. and less.
|
|
2
Wall thickness tolerances over 10.750 in. are producer
tolerances
|
TOP OF FORM
|
PLEASE WE NEED PRICE FOR 24 INCH AND TIME OF AVAILEBILETY